Ratamanee Nuntasarn. (2011) The shear strength evaluation of unsaturated soils by Triaxail testing. <i>KKU Engineering Journal</i>, <i>38</i>(4), 335-345.Ratamanee Nuntasarn. "The shear strength evaluation of unsaturated soils by Triaxail testing". KKU Engineering Journal 38 (2011):335-345.Ratamanee Nuntasarn. The shear strength evaluation of unsaturated soils by Triaxail testing. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2011.